body,ul,li,dl,dt,dd,p,ol,h1,h2,h3,h4,h5,h6,form,img,table,fieldset,legend,figure,figcaption{margin:0; padding:0;}
body{ font-family:"微软雅黑";font-size:12px;}
/* 取消列表符号 */
ul,li,ol{
    list-style: none;
}
/* 取消下划线 */
a{
    text-decoration: none;
    color:#333;
}
/* 取消加粗 */
h1,h2,h3,h4,h5,h6,strong,b{
    font-weight: normal;
}
/* 取消倾斜 */
em,i{
    font-style: normal;
}
/* 解决图片3px */
img{
    display: block;
}
/* 取消按钮边框 */
input,button{
    border: 0;
    background: none;
}
img,fieldset{ border:0; }
input,a{outline:none;}

/* 解决高度塌陷 */
.clear:after{
    content: '.';
    clear:both;
    display: block;
    height: 0;
    /* 内容溢出裁剪 */
    overflow: hidden;
    /* after伪元素隐藏 */
    visibility: hidden;
}
/* 兼容 */
.clear{
    zoom:1;
}

.fl{
    float: left;
}
.fr{
    float: right;
}